PM-581 OVERHEAD PROJECTOR

Compact, folding, overhead projectors for projecting bright and
sharp images from hand written illustrations, graphs, pictures and
diagrams on transparent materials. Used for college lectures,
training sessions, sales meetings, business conferences computer
classes, training centres, corporate board rooms etc. Gives uniform
illuminations even at highly elevated positions of the image. There
is no need for dimming lights. Well suited for any projection with
distance from 1.3 meter to 3 meters which makes it convenient for
small rooms and conference halls.
Case of sheet metal construction painted staple grey with size
width x depth x height 310 x 310 x 210 mm., with two handle for
easy carrying and a bracket for storage of side arm; writing stage of
sheet metal painted red or brown size 250 x 250 mm. to suit all
standard transparencies. Stage held in position by four screws and
contains double fresnal lens. A micro switch is fitted which cut off
the main supply when the stage is lifted. Provision is made in the
side panels of stage for attachment of cellophane scroll rolls. This
provides continuous writing on 10 meter long cellophane (Acetate)
rolls from top to bottom or from left to right. Illumination by 250 W
24 V halogen lamp fitted above a concave mirror and works with a
high quality transformer. Fan circulated cooling to prevent over
heating. Case provided with a on/off switch and a light intensity
variation control knob in the front panel. The projection head
consist of a convex lens and mirror rotatable about a horizontal axis
o
through 180 , mounted on a chrome plated tubular steel support.
Fine focussing by rack and pinion mechanism with the use of two
large bakelite knobs on chrome plated square steel column fitted at
the one side corner of case

SKU: PM-581 OVERHEAD PROJECTOR Category: